<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <title>测试</title>
</head>

<body>
    <div>

    <a href="www.baidu.com">百度</a>
    </div>
    <hr width="100">
    <!-- 注释 -->
    <p>
        段落
    </p>


</body>

</html>